Circuit board with zigzag routes



FIG. 1 is a front, top, and right side perspective view of a circuit board with zigzag routes, which shows my new design;

FIG. 2 is a front plane view thereof;

FIG. 3 is a back plane view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

CLAIM The ornamental design for a circuit board with zigzag routes, as shown and described. 